<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>欢迎页面</title>
    <style>
        body {
            font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(120deg, #74ebd5 0%, #ACB6E5 100%);
            color: #333;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
        }
        .container {
            background: white;
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            text-align: center;
            animation: fadeIn 1.2s ease-in-out;
        }
        h1 {
            margin: 0 0 20px;
            font-size: 2.2em;
            color: #4a90e2;
        }
        p {
            margin: 10px 0;
            font-size: 1.2em;
            color: #666;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to   { opacity: 1; transform: translateY(0); }
        }
    </style>
</head>
<body>
<div class="container">
    <h1>🎉 欢迎来到我的 Spring Boot 应用</h1>
    <p>应用已经成功启动 🚀</p>
    <p>现在你可以开始开发你的 API 或 Web 功能啦！</p>
</div>
</body>
</html>
